BIOS 150 Week 6 Quiz Exam 2 (Latest
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. What is the main function of the circulatory system?
A. Digestion
B. Transport of nutrients, gases, and wastes
C. Respiration
D. Excretion
Correct Answer: B. Transport of nutrients, gases, and wastes
Rationale: Circulates blood to supply cells and remove waste.
2. What is the heart?
A. Muscle organ
B. Digestive organ
C. Endocrine gland
D. Bone
Correct Answer: A. Muscle organ
Rationale: Pumps blood throughout the body.
,3. What are arteries?
A. Carry blood to heart
B. Carry blood away from heart
C. Exchange nutrients
D. Produce hormones
Correct Answer: B. Carry blood away from heart
Rationale: Transport oxygenated blood except in pulmonary artery.
4. What are veins?
A. Carry blood away from heart
B. Carry blood to heart
C. Transport oxygen only
D. Digest nutrients
Correct Answer: B. Carry blood to heart
Rationale: Usually carry deoxygenated blood.
5. What are capillaries?
A. Large vessels
B. Tiny vessels for exchange
C. Hormone producers
D. Muscle fibers
Correct Answer: B. Tiny vessels for exchange
Rationale: Facilitate nutrient, gas, and waste exchange.
6. What is blood plasma?
,A. Red cells
B. Fluid portion of blood
C. White cells
D. Platelets
Correct Answer: B. Fluid portion of blood
Rationale: Transports nutrients, hormones, and wastes.
7. What is hemoglobin?
A. Enzyme
B. Protein in red blood cells
C. Hormone
D. Lipid
Correct Answer: B. Protein in red blood cells
Rationale: Binds and transports oxygen.
8. What is red blood cell function?
A. Fight infection
B. Transport oxygen
C. Produce hormones
D. Clot blood
Correct Answer: B. Transport oxygen
Rationale: Contain hemoglobin for oxygen delivery.
9. What is white blood cell function?
, A. Oxygen transport
B. Immunity
C. Digestion
D. Blood clotting
Correct Answer: B. Immunity
Rationale: Defend the body against pathogens.
10. What is platelet function?
A. Transport oxygen
B. Blood clotting
C. Immunity
D. Hormone production
Correct Answer: B. Blood clotting
Rationale: Form plugs to prevent bleeding.
11. What is the main component of blood?
A. Platelets
B. Plasma
C. White blood cells
D. Hemoglobin
Correct Answer: B. Plasma
Rationale: Makes up about 55% of blood volume.
12. What is systemic circulation?
Update ) Anatomy and
Physiology IV with Lab | Questions &
Answers | 100% Correct | Grade A -
Chamberlain
1. What is the main function of the circulatory system?
A. Digestion
B. Transport of nutrients, gases, and wastes
C. Respiration
D. Excretion
Correct Answer: B. Transport of nutrients, gases, and wastes
Rationale: Circulates blood to supply cells and remove waste.
2. What is the heart?
A. Muscle organ
B. Digestive organ
C. Endocrine gland
D. Bone
Correct Answer: A. Muscle organ
Rationale: Pumps blood throughout the body.
,3. What are arteries?
A. Carry blood to heart
B. Carry blood away from heart
C. Exchange nutrients
D. Produce hormones
Correct Answer: B. Carry blood away from heart
Rationale: Transport oxygenated blood except in pulmonary artery.
4. What are veins?
A. Carry blood away from heart
B. Carry blood to heart
C. Transport oxygen only
D. Digest nutrients
Correct Answer: B. Carry blood to heart
Rationale: Usually carry deoxygenated blood.
5. What are capillaries?
A. Large vessels
B. Tiny vessels for exchange
C. Hormone producers
D. Muscle fibers
Correct Answer: B. Tiny vessels for exchange
Rationale: Facilitate nutrient, gas, and waste exchange.
6. What is blood plasma?
,A. Red cells
B. Fluid portion of blood
C. White cells
D. Platelets
Correct Answer: B. Fluid portion of blood
Rationale: Transports nutrients, hormones, and wastes.
7. What is hemoglobin?
A. Enzyme
B. Protein in red blood cells
C. Hormone
D. Lipid
Correct Answer: B. Protein in red blood cells
Rationale: Binds and transports oxygen.
8. What is red blood cell function?
A. Fight infection
B. Transport oxygen
C. Produce hormones
D. Clot blood
Correct Answer: B. Transport oxygen
Rationale: Contain hemoglobin for oxygen delivery.
9. What is white blood cell function?
, A. Oxygen transport
B. Immunity
C. Digestion
D. Blood clotting
Correct Answer: B. Immunity
Rationale: Defend the body against pathogens.
10. What is platelet function?
A. Transport oxygen
B. Blood clotting
C. Immunity
D. Hormone production
Correct Answer: B. Blood clotting
Rationale: Form plugs to prevent bleeding.
11. What is the main component of blood?
A. Platelets
B. Plasma
C. White blood cells
D. Hemoglobin
Correct Answer: B. Plasma
Rationale: Makes up about 55% of blood volume.
12. What is systemic circulation?
